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Finding the Third Proportional to 2.47 and 5.44

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Solution

The third proportional to 2.47 and 5.44 is: 11.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2.47 : 5.44 = 5.44 : x
  2. Step 2: Convert to fraction form
    2.47/5.44 = 5.44/x
  3. Step 3: Cross multiply
    2.47x = 5.44 × 5.44
  4. Step 4: Simplify right side
    2.47x = 29.62
  5. Step 5: Solve for x
    x = 29.62/2.47
  6. Step 6: Final answer
    x = 11.98

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.